Electrical Earthing Basics in Tamil
https://youtu.be/7X_Hy8i8Itg

In this video following topics are explained in Tamil

1.Earthing IEC Terminology
2.TT,IT,TNS,TN-C,TN-C-S earthing system
3.TT earthing- No earthing system provided by power distributor
4.IT earthing-distributor system not have any connection to earth, it have only a high impedance connection (NGR,NGT)
5.TNS earthing- PE-Protective Earth and N-Neutral are separate conductors
6.TN-C earthing A combined PEN-PE-Protective earth and an N-Neutral conductor
7.TN-C-S earthing-earthing terminal which is linked to the incoming neutral conductor

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